Finger prosthesis



FIG. 1 is a perspective view of a finger prosthesis showing our new design;

FIG. 2 is a right side elevation view;

FIG. 3 is a bottom plan view;

FIG. 4 is a top plan view;

FIG. 5 is a front perspective view; and,

FIG. 6 is a rear perspective view. 

The ornamental design for a finger prosthesis, as shown and described. 